Asked by: Mayla Schudtrumpf
asked in category: General Last Updated: 22nd May, 2020

Which three minerals are most commonly found in the igneous rock granite?

Rocks make up the majority of the Earth's crust. One of the most common rock is granite. The four minerals that make up granite are feldspar , quartz , mica , and hornblende. Granite was formed when magma cooled slowly forming crystals of the four minerals that make up the rock granite.

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In this manner, which three minerals are usually found in granite?

Granite is composed mainly of quartz and feldspar with minor amounts of mica , amphiboles , and other minerals. This mineral composition usually gives granite a red, pink, gray, or white color with dark mineral grains visible throughout the rock.

Also, which type of rock most likely contains fossils? Fossils, the preserved remains of animal and plant life, are mostly found embedded in sedimentary rocks . Of the sedimentary rocks , most fossils occur in shale, limestone and sandstone. Earth contains three types of rocks: metamorphic, igneous and sedimentary.

Furthermore, which mineral is not in the composition of granite?

Rocks containing less than 20 percent quartz are almost never named granite, and rocks containing more than 20 percent (by volume) of dark, or ferromagnesian, minerals are also seldom called granite. The minor essential minerals of granite may include muscovite, biotite, amphibole , or pyroxene.

What igneous rock is generally composed of just one mineral?

monomineralic. monomineralic Applied to rocks composed of one mineral type only. Examples would include the igneous rock anorthosite (composed entirely of plagioclase feldspar ) and the metamorphic rock marble (composed entirely of calcite).

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